Security-57031.1.35.tar.gz

[apple/security.git] / Security / utilities / src / comparison.h

/*
 * Copyright (c) 2012,2014 Apple Inc. All Rights Reserved.
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 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
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 * The Original Code and all software distributed under the License are
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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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#ifndef utilities_comparison_h
#define utilities_comparison_h

#define MIN(a, b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a <= _b ? _a : _b; })
#define MAX(a, b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a >= _b ? _a : _b; })

uint64_t constant_memcmp(const uint8_t *first, const uint8_t *second, size_t count);

#endif